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How to force link from iframe to be opened in the parent window
...a HTML element called base which allows you to:
Specify a default URL and a default target for all links on a page:
<base target="_blank" />
By specifying _blank you make sure all links inside the iframe will be opened outside.
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Why use apparently meaningless do-while and if-else statements in macros?
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The do ... while and if ... else are there to make it so that a
semicolon after your macro always means the same thing. Let's say you
had something like your second macro.
#define BAR(X) f(x); g(x)
Now if you were to use BAR(X); in an if ...
Literal suffix for byte in .NET?
...re a byte variable in a short way like floats or doubles? I mean like 5f and 5d . Sure I could write byte x = 5 , but that's a bit inconsequential if you use var for local variables.
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【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an unexpected keyword argument '_job'进入项目spiders目录, 修改 spider py 文件（你自己的spider的主文件）：def __init__(self):改为：def __init__(self, *args, **kwargs):最后不要忘了重新部署一...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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jQuery or CSS selector to select all IDs that start with some string [duplicate]
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Is this selector in CSS works on older browsers like ie8 and ie9, and if not what the alternative?
– Jim
Sep 19 '13 at 7:08
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How can I get rid of an “unused variable” warning in Xcode?
I understand exactly why unused variable warnings occur. I don't want to suppress them in general, because they are incredibly useful in most cases. However, consider the following (contrived) code.
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window.close and self.close do not close the window in Chrome
...curity feature, introduced a while ago, to stop various malicious exploits and annoyances.
From the latest working spec for window.close():
The close() method on Window objects should, if all the following conditions are met, close the browsing context A:
The corresponding browsing cont...
Regular expressions in an Objective-C Cocoa application
...'re interested in the position of the match or position of subexpressions, and you cannot get it with NSPredicate.
As mentioned you can use regex POSIX functions. But they are considered slow, and the regex syntax is limited compared to other solutions (ICU/pcre).
There are many OSS libraries, Cocoa...
Tree data structure in C#
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My best advice would be that there is no standard tree data structure because there are so many ways you could implement it that it would be impossible to cover all bases with one solution. The more specific a solution, the less likely it is applicable to any given p...